# A153994 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 4 4 16 5 26 6 114 7 913 8 3227 9 25373 10 441919 11 3146641 12 49361868 13 1683721022 14 23850420259 15 734273471828 16 49324500595954 17 1380740815171041